DIAGNOSTIC ASSIST FUNCTION [AUDIO]

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Structural View

Buttons

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1
CLOCK button
2
FM 1 button
3
FM 2 button
4
AM button
5
CD button
6
MEDIA button
7
Preset button 1
8
Preset button 2
9
Preset button 3
10
Preset button 4
11
Preset button 5
12
Preset button 6
13
DISP/AUTO-M button
14
PTY button
15
SEEK/APC/TRACK switch
16
TA button
17
Traffic information button [without RDS]
AF button [with RDS]
18
AUDIO CONT/TUNE/TEXT button [without RDS]
POWER/VOLUME button [with RDS]
19
POWER/VOLUME button [without RDS]
AUDIO CONT/TUNE/TEXT button [with RDS]


Information Display Inspection

1.  With the audio power on, press the POWER button and simultaneously press the SEEK switch (up or down) for approx. 1s.

2.  Inspect according to the following table:

INSPECTION

DISPLAY

ACTION
Start the information display inspection mode.
The characters displayed on the information display are not truncated or faint.
The information display is normal.
Except above
Replace the base unit. (See AUDIO UNIT DISASSEMBLY/ASSEMBLY [TYPE A].)

3.  Turn the audio off or the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to the LOCK position to stop the diagnostic assist function.


Speaker Inspection

1.  With the audio power on, press the POWER button and simultaneously press the AUTO-M button for approx. 1s.

2.  Inspect according to the following table:

INSPECTION

DISPLAY

ACTION
•  Start the speaker inspection mode.
•  Does each speaker output sound in the following order?
1.  Front speaker and tweeter (LH)
2.  Front speaker and tweeter (RH)
3.  Rear speaker (RH)*1
4.  Rear speaker (LH)*1
—
Yes
Speakers, and wiring harness between the base unit and speakers are normal.
No
•  Inspect the following parts.
―  Malfunctioning speaker
―  Wiring harness between base unit and malfunctioning speaker

3.  Turn the audio off or the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to the LOCK position to stop the diagnostic assist function.

*1  :May or may not be equipped, depending on the vehicle.

Radio Reception Condition Inspection

1.  With the audio power on and at radio mode, press the POWER button and simultaneously press the Preset 2 button for approx. 1 s.

2.  Inspect according to the following table:

Caution
•  Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location). Before inspecting the system, verify that radio reception is adequate.
•  When inspecting, select a frequency band (radio station) with the best reception.

INSPECTION

DISPLAY

ACTION
Start the radio reception condition inspection mode.
Antenna, antenna feeder and base unit are normal
Change the frequency (radio station) and inspect again.
Inspect the antenna and antenna feeder.
•  If either the antenna or the antenna feeder is not normal, replace the malfunctioning part.
•  If the antenna and antenna feeder are normal, replace the base unit.

3.  Turn the audio off or the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to the LOCK position to stop the diagnostic assist function.


Antenna control condition inspection

1.  With the audio power on and at radio mode, press the POWER button and simultaneously press the FM 2 button for approx. 1 s.

2.  Inspect the antenna control conditon according to the following table:

Inspection

Display

Action
Start antenna control condition inspection mode.
Sound quality is good.
System is okay.
Sound quality is poor.
Inspect the roof antenna.
Replace base unit.

3.  Turn the audio off or the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to the LOCK position to stop the diagnostic assist function.